Question

show that 3+root7/5 is irrational,given that root7 is irrational
​

Answer 1

Answer:

by contradiction u van say that it is irrational

Answer 2

Answer:

hope you like this one

explanation:

let us assume that 3 +√7/5 is rational number

therefore 3 +√7/5= a/b

this implies that √7 = 5a/b + 3

by taking LCM, √7 = 5a + 3b/ 3

now now a, b ,3, 5 are rational numbers because they are integers

this implies that root 7 should also be rational number but we are given that root 7 is irrational therefore 3+√7/5 is irrational

hence proved

please mark it as brainliest one